Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxexpr.h"

​

#include "zbxnum.h"

#include "zbx_expression_constants.h"

​

int zbx_is_strict_macro(const char *macro)

{

    const char  *strict_macros[] = {MVAR_HOST_IP, MVAR_IPADDRESS, MVAR_HOST_DNS,

            MVAR_HOST_CONN, MVAR_HOST_TARGET_DNS, MVAR_HOST_TARGET_CONN,

            MVAR_HOST_TARGET_IP};

​

    for (int i = 0; i < (int)ARRSIZE(strict_macros); i++)

    {

        if (0 == strcmp(strict_macros[i], macro))

            return SUCCEED;

    }

​

    return FAIL;

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: checks if a token contains indexed macro.                         *

 *                                                                            *

 ******************************************************************************/

int zbx_is_indexed_macro(const char *str, const zbx_token_t *token)

{

    const char  *p;

​

    switch (token->type)

    {

        case ZBX_TOKEN_MACRO:

            p = str + token->loc.r - 1;

            break;

        case ZBX_TOKEN_USER_FUNC_MACRO:

        case ZBX_TOKEN_FUNC_MACRO:

            p = str + token->data.func_macro.macro.r - 1;

            break;

        default:

            THIS_SHOULD_NEVER_HAPPEN;

            return FAIL;

    }

​

    return '1' <= *p && *p <= '9' ? 1 : 0;

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: checks if a macro in string is one of list and extracts index.    *